package org.excample.mapper;

import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.excample.entity.User;

@Mapper//代理对象
public interface UserMapper {

    //根据用户名查询用户信息
    @Select("select * from user where username=#{username}")
    User selectUserByName(String username);

    //添加用户信息
    @Insert("insert into user(username,password,create_time,update_time) values(#{username},#{password},now(),now())")
    void insertUser(String username,String password);

    //更新用户信息
    @Update("update user set nickname=#{nickname},email=#{email},update_time=#{update_time} where id=#{id}")
    void updateUser(User user);

    //更新用户头像
    @Update("update user set user_pic=#{avatarUrl},update_time=now() where id=#{id}")
    void updateAvatar(String avatarUrl,Integer id);
}
